3" Focus Lens for Speedy 100 Trotec Laser Engraving Machines by Mahoney. Features Premium Grade Focus Lens.Low price, good quality. Why pay excessive prices? Premium grade lens. Save a bundle.Fits any Trotec CO2 Laser Engraver including Trotec Speedy 100. Add a quality lens to your Trotec Laser Engraver today.Features the premium grade focus lens. Great for most laser engraving and cutting work. See our other listings for the premium grade focus lens.Includes the lens.Fast installation. Simply remove the old lens and insert this lens. Nothing could be faster!